Re: [SlimDevices: Radio] HQRP battery

2020-09-16 Thread slartibartfast


My HQRP battery bought in February 2018 finally died this week after 2
years 7 months. Death was fairly sudden after I noticed I was charging
it more frequently over the last few weeks. The last time I charged it,
it reported full charge far too quickly and turned off within a few
seconds of removing the power cord.
My replacement is a Cameron Sino, let's see how long this one lasts. At
least it reports correct voltages for Vmon1 and Vmon2 in diagnostics
[emoji3]. 
The battery in my other Radio which is plugged in almost 24/7 is still
the original and is still going strong. I used it while I was waiting
for the replacement and ran it until "Please charge me" and it managed
more than 7 hours.

Sent from my Pixel 3a using Tapatalk





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Re: [SlimDevices: Radio] HQRP battery

2019-03-21 Thread Sb42


Mine shows 1598



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Re: [SlimDevices: Radio] HQRP battery

2019-03-21 Thread pseud


Sb42 wrote: 
> What's an MSP?

It's the top item under the Power menu - other than that, I don't know
what it is but I'd like to...



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Re: [SlimDevices: Radio] HQRP battery

2019-03-21 Thread Sb42


What's an MSP?



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Re: [SlimDevices: Radio] HQRP battery

2019-03-21 Thread pseud


How bizarre... Somebody suffering the exact same problem with their SB
Radio as me and looking for an answer at the same time!

My battery, I bought it a few years ago (couple?)

Cameron Sino; Model CS-LSR533RC; Part No: HRMR15/51

I've pulled the cover off the battery to test the cell voltages, all the
cells seemed to show what I understand to be good voltages (1.2 v?):
01- 1.276
02- 1.262
03- 1.293
04- 1.276
05- 1.298
06- 1.270
07- 1.291
08- 1.300
09- 1.292
10- 1.300

T  12.858

Measuring the voltages off the plug contacts I get:
Bl-Gr: 3.82 V
Bl-Br: 7.69 V
Bl-Rd: 12.84 V


The Diagonistics Power read out is:
Battery temperature
17.2 C
Battery voltage
13.1 V
Battery vmon1
3.8 V
Battery vmon2
7.5 V

When I turned it on following the battery being out of a few days (while
I probed it) it showed charged for a short period before it shows fully
charged, and has since.  (When I turned it back on after making the
above checks, it went straight to fully charged.)

Like Sb42, I really would like to know if it's the charging circuit or
the battery - but, don't know how.  I built my own battery before this
back in 2011 which lasted for a good 5 years...

Thanks for any pointers anyone has.

(BTW, what's the MSP version?  Version number 1598)



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Re: [SlimDevices: Radio] HQRP battery

2019-03-19 Thread Sb42


slartibartfast wrote: 
> Hmm I have never heard of the charger circuit failing so it appears that
> the charger thinks the battery is fully charged. If you pull the power
> cord does the Radio shut down immediately?
> 
> Sent from my SM-G900F using Tapatalk

The battery doesn't show as full charged..



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Re: [SlimDevices: Radio] HQRP battery

2019-03-19 Thread slartibartfast


Sb42 wrote: 
> No, the screen shows charging for a few seconds and then reverts to
> showing wall power.Hmm I have never heard of the charger circuit failing so 
> it appears that
the charger thinks the battery is fully charged. If you pull the power
cord does the Radio shut down immediately?

Sent from my SM-G900F using Tapatalk





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Re: [SlimDevices: Radio] HQRP battery

2019-03-18 Thread Sb42


No, the screen shows charging for a few seconds and then reverts to
showing wall power.



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Re: [SlimDevices: Radio] HQRP battery

2019-03-18 Thread slartibartfast


Sb42 wrote: 
> My 2011 manufacturred Logitech battery no longer keeps a charge and has
> these values
> 
> Vmon1 3.9
> Vmon2 7.7
> Battery Temp: 20.6C
> Battery Voltage: 13.5V
> Wall Voltage: 18.1
> 
> Clearly I need a new battery, but can anyone tell me if this looks like
> the charger could be the problem? Radio runs fine on wall power and
> screen ocassionally shows Charging, but if I unplug the wall charger the
> Radio goes blank and won't function until power is restored from wall.

When the Radio is running on Wall Power and the display shows that the
battery should be charging does the battery voltage show any signs of
changing?

Sent from my SM-G900F using Tapatalk





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Re: [SlimDevices: Radio] HQRP battery

2019-03-18 Thread Sb42


My 2011 manufacturred Logitech battery no longer keeps a charge and has
these values

Vmon1 3.9
Vmon2 7.7
Battery Temp: 20.6C
Battery Voltage: 13.5V
Wall Voltage: 18.1

Clearly I need a new battery, but can anyone tell me if this looks like
the charger could be the problem? Radio runs fine on wall power and
screen ocassionally shows Charging, but if I unplug the wall charger the
Radio goes blank and won't function until power is restored from wall.






slartibartfast wrote: 
> Having read good reports about these batteries I ordered one from Amazon
> and it was delivered today. After installing it I checked
> Settings/Advanced/Power and found the Battery Voltage Monitor values are
> different to a genuine Logitech battery.
> 
> Battery Vmon1 = 1.8V instead of 4.1V
> Battery Vmon2 = 4.0V instead of 8.2V
> All of these readings are at a battery voltage of 14.3V. If the cells
> are balanced properly 1.8V should not even be possible.
> 
> The taps are obviously in the wrong places.  This raises a few
> questions
> 
> 1. Are they all like this?
> 2. Does the Radio use these voltages for anything important?
> 3. Do they test them?
> 
> I think I know the answer to number 3. After waiting 10 days I would
> rather not have to return it.
> 
> 
> 
> Sent from my SM-G900F using Tapatalk



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Re: [SlimDevices: Radio] HQRP battery

2018-02-23 Thread slartibartfast

slartibartfast wrote: 
> You would think they would take one apart to copy it. After all there is
> also a thermistor in there which needs to be the correct one. They could
> even have looked on the internet. I've contacted them via Amazon so we
> will see what the response is.
> 
> Sent from my SM-G900F using TapatalkWell I didn't receive any confirmation 
> that this was an isolated issue
but to their credit after I sent a couple of photos of  the battery
diagnostics screen for both batteries they offered me a refund with no
requirement to return the battery.

Sent from my SM-G900F using Tapatalk





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Re: [SlimDevices: Radio] HQRP battery

2018-02-20 Thread slartibartfast

drmatt wrote: 
> That is not something I'm sure of no, it just seems to be a slightly
> unlikely manufacturing fault and seems more likely to be a design fault
> to me. Something they are likely to overlook when copying the real
> thing.. ( "what does this do? No idea, let's just connect it here...".)
> 
> 
> -Transcoded from Matt's brain by Tapatalk-You would think they would take one 
> apart to copy it. After all there is
also a thermistor in there which needs to be the correct one. They could
even have looked on the internet. I've contacted them via Amazon so we
will see what the response is.

Sent from my SM-G900F using Tapatalk





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Re: [SlimDevices: Radio] HQRP battery

2018-02-20 Thread drmatt

slartibartfast wrote: 
> Are you saying you are sure all Radio  batteries made by HQRP have
> incorrect taps?

That is not something I'm sure of no, it just seems to be a slightly
unlikely manufacturing fault and seems more likely to be a design fault
to me. Something they are likely to overlook when copying the real
thing.. ( "what does this do? No idea, let's just connect it here...".)


-Transcoded from Matt's brain by Tapatalk-



--
Hardware: 3x Touch, 1x Radio, 2x Receivers, 1 HP Microserver NAS with
Debian+LMS 7.9.0
Music: ~1300 CDs, as 450 GB of 16/44k FLACs. No less than 3x 24/44k
albums..

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Re: [SlimDevices: Radio] HQRP battery

2018-02-20 Thread slartibartfast

drmatt wrote: 
> I guess I would say it seems to happen once they reach about a year of
> age or so, sporadically at first but increasing in frequency as they
> age. It may even just be a problem with the physical socket detecting
> the plug being inserted, but my feeling is that it's not since waggling
> the plug doesn't help, whereas removing electrical power and reinstating
> it does help, sometimes.
> 
> 
> -Transcoded from Matt's brain by Tapatalk-I've seen this quite frequently 
> although more with one Radio than the
other.

Sent from my SM-G900F using Tapatalk





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Re: [SlimDevices: Radio] HQRP battery

2018-02-20 Thread slartibartfast

drmatt wrote: 
> I am sure it is normal, and will work fine, despite readings being odd.
> They are the best known 3rd party battery supplier and I can't see them
> being fatally flawed.
> 
> Interesting insights into the battery code though. Anyone got any clues
> from that as to why Radios routinely fail to charge the batteries when
> plugged in?
> 
> -Transcoded from Matt's brain by Tapatalk-Are you saying you are sure all 
> Radio  batteries made by HQRP have
incorrect taps? The 1.8V reading is really odd as it is far too high for
1 cell and far too low for 2 cells. 

Does anyone else use one of these batteries? If so could they post their
readings for Vmon1 and Vmon2.

Sent from my SM-G900F using Tapatalk





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Re: [SlimDevices: Radio] HQRP battery

2018-02-20 Thread drmatt

I guess I would say it seems to happen once they reach about a year of
age or so, sporadically at first but increasing in frequency as they
age. It may even just be a problem with the physical socket detecting
the plug being inserted, but my feeling is that it's not since waggling
the plug doesn't help, whereas removing electrical power and reinstating
it does help, sometimes.


-Transcoded from Matt's brain by Tapatalk-



--
Hardware: 3x Touch, 1x Radio, 2x Receivers, 1 HP Microserver NAS with
Debian+LMS 7.9.0
Music: ~1300 CDs, as 450 GB of 16/44k FLACs. No less than 3x 24/44k
albums..

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Re: [SlimDevices: Radio] HQRP battery

2018-02-20 Thread bpa

drmatt wrote: 
> I am sure it is normal, and will work fine, despite readings being odd.
> They are the best known 3rd party battery supplier and I can't see them
> being fatally flawed.
> 
> Interesting insights into the battery code though. Anyone got any clues
> from that as to why Radios routinely fail to charge the batteries when
> plugged in?
> 
> -Transcoded from Matt's brain by Tapatalk-

I don't use battery so I don't know normal operations but if it happens
"routinely" you could have a look at the info provided by the MSP430
directory "/sys/class/i2c-adapter/i2c-1/1-0010" and perhaps you can
identify the bad state.  You might be lucky and find it is lua code but
if problem is in MSP430  nothgin will happen.


Code:


  # ls  /sys/class/i2c-adapter/i2c-1/1-0010
  adc_0   adc_2   alarm_time  
battery_vmon1_voltage   fw  power_mode  time
  adc_1   adc_3   ambient 
battery_vmon2_voltage   gp_register rtc:rtc0uevent
  adc_10  adc_4   battery_capacity
battery_voltage input:input2subsystem   
wall_voltage
  adc_11  adc_5   battery_charge  bus   
  ir  sys_voltage
  adc_12  adc_6   battery_charge_rate 
charger_event   killtest_1
  adc_13  adc_7   battery_disable 
charger_state   modaliastest_2
  adc_14  adc_8   battery_discharge_rate  
driver  msp_buffer  test_4
  adc_15  adc_9   battery_temperature flash 
  nametest_8
  # cat  /sys/class/i2c-adapter/i2c-1/1-0010/power_mode 
  3
  # cat  /sys/class/i2c-adapter/i2c-1/1-0010/battery_capacity 
  2000
  # 
  




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Re: [SlimDevices: Radio] HQRP battery

2018-02-20 Thread drmatt

I am sure it is normal, and will work fine, despite readings being odd.
They are the best known 3rd party battery supplier and I can't see them
being fatally flawed.

Interesting insights into the battery code though. Anyone got any clues
from that as to why Radios routinely fail to charge the batteries when
plugged in?

-Transcoded from Matt's brain by Tapatalk-



--
Hardware: 3x Touch, 1x Radio, 2x Receivers, 1 HP Microserver NAS with
Debian+LMS 7.9.0
Music: ~1300 CDs, as 450 GB of 16/44k FLACs. No less than 3x 24/44k
albums..

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Re: [SlimDevices: Radio] HQRP battery

2018-02-20 Thread bpa

I think all the info read by lua code is supplied via the MSP430 which
controls the actual charging. 
The MSP430 can be used to charge a variety of battery types (
http://www.ti.com/lit/ug/sluu369/sluu369.pdf  ) .  If the MSP430 board &
code is mostly standard reference code supplied by Ti, then the Vmon1 &
VMon2 might be needed by the MSP430 to determine cell type, cell
capacity, etc. and so adjust its charging algorithm,



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Re: [SlimDevices: Radio] HQRP battery

2018-02-20 Thread slartibartfast

bpa wrote: 
> IIRC Battery charging and conditioning are managed through battery
> voltages & temp and Radio uses a microcontroller MSP340 to do battery
> charging so not all the code is in the Radio source.
> 
> To get a better answer I think you may need to look at code.
> 
> Diagnostic will show where Vmon1 and Vmon2 are found (i.e. what device)
> https://github.com/Logitech/squeezeplay/blob/public/7.8/src/squeezeplay_squeezeos/share/applets/Diagnostics/DiagnosticsApplet.lua
> 
> The code which access battery when Radio running is here
> https://github.com/Logitech/squeezeplay/blob/public/7.8/src/squeezeplay_baby/share/applets/SqueezeboxBaby/SqueezeboxBabyApplet.luaThanks,
>  I had a look at the code in the two links and it looks as though
the Voltages are only read and displayed in the first one and there is
no reference at all to the Vmon  values in the second. So it might be
safe but I am still tempted to return it.

I still wonder if this is a one off or they are all like this.


Sent from my SM-G900F using Tapatalk





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Re: [SlimDevices: Radio] HQRP battery

2018-02-20 Thread bpa

IIRC Battery charging and conditioning are managed through battery
voltages & temp and Radio uses a microcontroller MSP340 to do battery
charging so not all the code is in the Radio source.

To get a better answer I think you may need to look at code.

Diagnostic will show where Vmon1 and Vmon2 are found (i.e. what device)
https://github.com/Logitech/squeezeplay/blob/public/7.8/src/squeezeplay_squeezeos/share/applets/Diagnostics/DiagnosticsApplet.lua

The code which access battery when Radio running is here
https://github.com/Logitech/squeezeplay/blob/public/7.8/src/squeezeplay_baby/share/applets/SqueezeboxBaby/SqueezeboxBabyApplet.lua



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[SlimDevices: Radio] HQRP battery

2018-02-20 Thread slartibartfast

Having read good reports about these batteries I ordered one from Amazon
and it was delivered today. After installing it I checked
Settings/Advanced/Power and found the Battery Voltage Monitor values are
different to a genuine Logitech battery.

Battery Vmon1 = 1.8V instead of 4.1V
Battery Vmon2 = 4.0V instead of 8.2V
All of these readings are at a battery voltage of 14.3V. If the cells
are balanced properly 1.8V should not even be possible.

The taps are obviously in the wrong places.  This raises a few questions

1. Are they all like this?
2. Does the Radio use these voltages for anything important?
3. Do they test them?

I think I know the answer to number 3. After waiting 10 days I would
rather not have to return it.



Sent from my SM-G900F using Tapatalk





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